CSR0_RPE
u32 csr0 = CSR0_TPE | CSR0_RPE;
ret = ravb_endisable_csum_gbeth(ndev, CSR2, val, CSR0_RPE);
if (ravb_wait(ndev, CSR0, CSR0_TPE | CSR0_RPE, 0)) {
ravb_write(ndev, CSR0_TPE | CSR0_RPE, CSR0);